Ghostbusters: Back in Town — Dark Horse Comics
Issue: #3
As tensions rise in the city and in the Spengler family, Phoebe discovers the entity targeting the Ghostbusters: the malevolent Madam Malvaeux! On her own and outmatched, Phoebe escapes through the sewers, and stumbles into... supernatural standup?
Creators: Greg Pak, David Booher, Blue C Delliquanti, Mildred Louis, Jimmy Betancourt, Christopher Mitten
Characters: Trevor Spengler, Phoebe Spengler, Callie Spengler, Gary Grooberson